package com.summer.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.summer.reggie.common.R;
import com.summer.reggie.entity.Category;
import com.summer.reggie.service.CategoryService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.jdbc.support.lob.LobCreator;
import org.springframework.web.bind.annotation.*;

import java.util.List;

/**
 * 分类管理
 * 作者:夏天
 * qq:1205232048
 */
@Slf4j
@RestController
@RequestMapping("/category")
public class CategoryController {
    @Autowired
    private CategoryService categoryService;

    /**
     * 新增分类
     * @param category
     * @return
     */
    @PostMapping
    public R<String> save(@RequestBody Category category){
        if (categoryService.save(category)){
            return R.success("新增分类成功");
        }
        return R.error("新增分类失败");
    }

    /**
     * 分页信息查询
     * @param page
     * @param pageSize
     * @param name
     * @return
     */
    @GetMapping("/page")
    public R<Page> page(int page, int pageSize, String name){
        log.info("page = {}, pageSize = {}, name = {}", page, pageSize, name);
        //分页构造器
        Page pageInfo = new Page(page, pageSize);
        //条件构造器
        LambdaQueryWrapper<Category> queryWrapper = new LambdaQueryWrapper();
        //添加排序条件, 根据sort进行排序
        queryWrapper.orderByAsc(Category::getSort);
        //进行分页查询 将页面信息和条件信息放进去即可
        categoryService.page(pageInfo, queryWrapper);

        return R.success(pageInfo);
    }

    /**
     * 根据id删除分类
     * @param ids 为前端传过来的参数
     * @return
     */
    @DeleteMapping
    public R<String> delete(Long ids){
        categoryService.remove(ids);
        return R.success("删除成功");
    }

    /**
     * 根据id修改分类信息
     * @param category
     * @return
     */
    @PutMapping
    public R<String> update(@RequestBody Category category){
        categoryService.updateById(category);
        return R.success("修改分类信息成功!");
    }

    /**
     * 根据条件查询分类数据
     * @param category
     * @return
     */
    @GetMapping("/list")
    public R<List<Category>> list(Category category){
        //构造条件
        LambdaQueryWrapper<Category> lambdaQueryWrapper = new LambdaQueryWrapper();
        //构造等值条件
        lambdaQueryWrapper.eq(category.getType() != null, Category::getType, category.getType());
        //构造排序条件
        lambdaQueryWrapper.orderByAsc(Category::getSort).orderByDesc(Category::getCreateTime);
        //开始查询
        List<Category> list = categoryService.list(lambdaQueryWrapper);
        return R.success(list);
    }


}
